pH regulator



FIG. 1 is a perspective view of the new design for a pH regulator;

FIG. 2 is another perspective view of the pH regulator shown in FIG. 1;

FIG. 3 is a left side view of the pH regulator shown in FIG. 1;

FIG. 4 is a right side view of the pH regulator shown in FIG. 1;

FIG. 5 is a top view of the pH regulator shown in FIG. 1;

FIG. 6 is a bottom view of the pH regulator shown in FIG. 1; and,

FIG. 7 is a front view of the pH regulator shown in FIG. 1.

In the drawings, the broken lines depict subject matter not part of the claimed design. 

The ornamental design for a pH regulator, as shown and described. 